Maths Practice Question and Answer

Q:

In how many different ways can the letters of the word 'NATIONAL' be arranged?

2930 0

  • 1
    6720
    Correct
    Wrong
  • 2
    5040
    Correct
    Wrong
  • 3
    10080
    Correct
    Wrong
  • 4
    1020
    Correct
    Wrong
  • 5
    3360
    Correct
    Wrong
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Answer : 3. "10080 "

Q: The list price of a clock is Rs 160. A customer buys it for Rs. 122.40 after two successive discount. If first discount is 10% the second is 2923 1

  • 1
    10%
    Correct
    Wrong
  • 2
    12%
    Correct
    Wrong
  • 3
    15%
    Correct
    Wrong
  • 4
    18%
    Correct
    Wrong
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Answer : 3. " 15%"

Q:

(53×87+159×21+106×25) is equal to 

2922 0

  • 1
    16000
    Correct
    Wrong
  • 2
    1060
    Correct
    Wrong
  • 3
    10600
    Correct
    Wrong
  • 4
    60100
    Correct
    Wrong
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Answer : 3. "10600"

Q:

Ankit has three varieties of rice costing 18 Rs/kg,25 Rs/kg and 36 Rs/kg, In what possible ratio he should mix these three varieties so that on selling whole mixture at 23.10 Rs/kg he may get a profit of 10%?

2921 0

  • 1
    5 : 4 : 2
    Correct
    Wrong
  • 2
    9 : 3 : 1
    Correct
    Wrong
  • 3
    3 : 2 : 1
    Correct
    Wrong
  • 4
    7 : 4 : 3
    Correct
    Wrong
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Answer : 2. "9 : 3 : 1"

Q:

The cost of 3 kg of rice is ₹180. The cost of 8 kg of rice is equal to that of 5 kg of pulse. The cost of 15 kg of pulses is equal to that of 2 kg of tea. The cost of 3 kg of tea is equal to that of 6 kg of walnuts. What is the cost (in ₹) of 10 kg of walnuts? 

2921 0

  • 1
    2400
    Correct
    Wrong
  • 2
    3200
    Correct
    Wrong
  • 3
    2800
    Correct
    Wrong
  • 4
    3600
    Correct
    Wrong
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Answer : 4. "3600"

Q:

In the figure below, AB is a chord of a circle with centre O. A tangent AT is drawn at point A so that ∠BAT=50°.Then ∠ADB=?

2916 0

  • 1
    120°
    Correct
    Wrong
  • 2
    130°
    Correct
    Wrong
  • 3
    140°
    Correct
    Wrong
  • 4
    150°
    Correct
    Wrong
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Answer : 2. "130°"

Q: A bus is running at 75 kmph without any stoppage. But, with stoppages its average speed is 60 kmph. Find the time of stoppage by bus per hour. 2913 0

  • 1
    10 minutes
    Correct
    Wrong
  • 2
    15 minutes
    Correct
    Wrong
  • 3
    12 minutes
    Correct
    Wrong
  • 4
    20 minutes
    Correct
    Wrong
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Answer : 3. "12 minutes"

Q:

A starts a business, after 6 months B also join him with Rs.4500 and after 2 months of B’s joining C also join them with Rs.4500. If A gets approx. Rs 4900 out of total annual profit of Rs. 10,000 then find the approximate value of initial investment of A.

2912 0

  • 1
    Rs. 4800
    Correct
    Wrong
  • 2
    Rs. 4200
    Correct
    Wrong
  • 3
    Rs. 3600
    Correct
    Wrong
  • 4
    Rs 4400
    Correct
    Wrong
  • 5
    Rs. 5200
    Correct
    Wrong
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Answer : 3. "Rs. 3600"

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